Home / 93,515.72-129,047.99-51,074.55

Finding the Fourth Proportional to 93,515.72, 129,047.99 and 51,074.55

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Solution

The fourth proportional to 93,515.72, 129,047.99 and 51,074.55 is: 70,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,515.72 : 129,047.99 = 51,074.55 : x
  2. Step 2: Convert to fraction form
    93,515.72/129,047.99 = 51,074.55/x
  3. Step 3: Cross multiply
    93,515.72x = 129,047.99 × 51,074.55
  4. Step 4: Simplify right side
    93,515.72x = 6,591,067,762.28
  5. Step 5: Solve for x
    x = 6,591,067,762.28/93,515.72
  6. Step 6: Final answer
    x = 70,480.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.